Montague Grenada over Shasta River
GoodSiskiyou County, California · 0.25 MI N Oberlin RD · Structure no. 02C0055
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 153 ft
- 2 main spans
- Daily traffic
- 1,148
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Montague Grenada over Shasta River is a concrete continuous box beam or girders - multiple carrying Montague Grenada over Shasta River in Siskiyou County, California. It was built in 1972, so it is 53 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,148 vehicles a day, roughly 20% of them trucks, projected to reach 2,030 by 2046. The structure is 153 ft (46.5 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Montague Grenada over Shasta River built?
It was built in 1972, making it 53 years old in 2025.
What condition is Montague Grenada over Shasta River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Montague Grenada over Shasta River carry?
About 1,148 vehicles per day (2011 count), of which roughly 20% are trucks.
How long is Montague Grenada over Shasta River?
The structure is 153 ft (46.5 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.
Who owns Montague Grenada over Shasta River?
It is owned by the County Highway Agency.